Master Server-Side Programming for Web Development Success

Question 1

In PHP, which variable scope allows access to variables defined in both the current scope and the enclosing scope?

Accepted Answer

Global

Answer

Static

Answer

Local

Answer

Public

Question 2

What is the primary responsibility of Node.js's event loop?

Accepted Answer

Managing I/O operations and scheduling callbacks

Answer

Compiling and executing JavaScript code

Answer

Handling database connections and queries

Answer

Providing a user interface

Question 3

Which PHP function is used to asynchronously retrieve data from a remote server?

Accepted Answer

curl_exec()

Answer

fetch()

Answer

file_get_contents()

Answer

XMLHttpRequest()

Question 4

What is the main purpose of using a database in web development?

Accepted Answer

Storing and managing data persistently

Answer

Generating dynamic web pages

Answer

Handling user input and form submissions

Answer

Creating interactive user interfaces

Question 5

Which of the following is a recommended security practice when handling user input?

Accepted Answer

Always sanitize user input before using it in database queries

Answer

Trust all user input and use it directly without validation

Answer

Use a CAPTCHA to prevent bots from submitting malicious input

Answer

Disable JavaScript on the website to mitigate cross-site scripting attacks

Question 6

What is the primary purpose of using CSS in web development?

Accepted Answer

Styling and formatting web pages

Answer

Creating dynamic web pages

Answer

Storing and managing data

Answer

Handling user input and form submissions

Question 7

What is the main function of Node.js in server-side applications?

Accepted Answer

Processing client requests and delivering responses

Answer

Building interactive user interfaces

Answer

Managing and storing data

Answer

Optimizing network communication

Question 8

Which of the following is NOT a primary benefit of utilizing a database in server-side programming?

Accepted Answer

Increased code complexity

Answer

Persistent data storage

Answer

Enhanced performance

Answer

Improved security

Question 9

What is the primary purpose of middleware in server-side programming?

Accepted Answer

Simplifying and modularizing common tasks

Answer

Enhancing security measures

Answer

Improving application performance

Answer

Optimizing data storage and retrieval

Question 10

What is the primary function of a web server in server-side programming?

Accepted Answer

Handling client requests and delivering responses

Answer

Storing and managing data persistently

Answer

Executing server-side code and business logic

Answer

Optimizing network traffic and performance

Question 11

Which technique is uncommon for session management in server-side applications?

Accepted Answer

Databases

Answer

Cookies

Answer

Sessions

Answer

JWTs (JSON Web Tokens)

Question 12

Which PHP data type is used to store a collection of key-value pairs?

Accepted Answer

Array

Answer

String

Answer

Object

Answer

Integer

Question 13

In HTTP basic authentication, which request header is used to send authentication credentials?

Accepted Answer

Authorization

Answer

Content-Type

Answer

Accept

Answer

Cache-Control

Question 14

Which keyword is used to define a class in PHP?

Accepted Answer

class

Answer

object

Answer

define

Answer

function

Question 15

What is the primary purpose of integrating MySQL with Node.js in web development?

Accepted Answer

To provide persistent data storage and management capabilities

Answer

To configure the web server settings

Answer

To handle client-side scripting tasks

Answer

To design the user interface of the application

Question 16

Which HTTP method is specifically used for creating a new resource on a server?

Accepted Answer

POST

Answer

GET

Answer

PUT

Answer

DELETE

Question 17

What is the fundamental difference between synchronous and asynchronous programming in Node.js?

Accepted Answer

Synchronous code pauses the event loop while executing, while asynchronous code does not.

Answer

Asynchronous code pauses the event loop while executing, while synchronous code does not.

Answer

Synchronous code is faster than asynchronous code.

Answer

Asynchronous code is faster than synchronous code.

Question 18

What is a key advantage of utilizing a framework like Express.js in Node.js development?

Accepted Answer

It provides simplified routing and middleware management capabilities.

Answer

It offers built-in database connectivity features.

Answer

It includes comprehensive testing tools.

Answer

It automates the deployment process.

Question 19

What is the primary role of a middleware function in Express.js?

Accepted Answer

To intercept and process HTTP requests and responses.

Answer

To handle database queries.

Answer

To generate dynamic web pages.

Answer

To manage user authentication.

Question 20

What is the main purpose of using a template engine in server-side programming?

Accepted Answer

To separate presentation logic from application logic.

Answer

To speed up development by generating dynamic content.

Answer

To enhance security by preventing code injection.

Answer

To improve the scalability of web applications.

Question 21

Which cloud computing service model offers the infrastructure for developing and hosting applications, including servers, storage, and networking?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Question 22

What is a fundamental difference between client-side and server-side programming?

Accepted Answer

Server-side code executes on the server, generating responses sent to the client's browser.

Answer

Server-side code requires a database connection, unlike client-side code.

Answer

Client-side code is written in high-level languages, while server-side code uses low-level languages.

Question 23

What is the primary function of a web server in server-side programming?

Accepted Answer

Receiving and processing HTTP requests from clients and providing appropriate responses.

Answer

Offering a graphical user interface for user interaction with the server.

Answer

Storing and managing website content like HTML, CSS, and images.

Question 24

Which scenario is not a common use case for server-side programming?

Accepted Answer

Displaying static web pages

Answer

Handling user authentication and authorization

Answer

Processing user input and generating dynamic content

Answer

Accessing and manipulating data in a database

Question 25

What is the primary purpose of incorporating a database in server-side programming?

Accepted Answer

To persistently store, retrieve, and modify data.

Answer

To manage user authentication and authorization.

Answer

To provide visualization of data for users.

Question 26

Which programming language is widely used for server-side web development?

Accepted Answer

PHP

Answer

JavaScript

Answer

CSS

Answer

HTML

Question 27

What is a primary benefit of utilizing a server-side templating system?

Accepted Answer

Separating presentation logic from business logic, improving code maintainability and organization.

Answer

Accelerating web page loading

Question 28

What is the purpose of HTTP headers in server-side programming?

Accepted Answer

Providing additional information in requests and responses, such as content type and caching instructions.

Answer

Ensuring secure communication between the server and client.